Home / 75,311.16-103,931.84-41,322.48

Finding the Fourth Proportional to 75,311.16, 103,931.84 and 41,322.48

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Solution

The fourth proportional to 75,311.16, 103,931.84 and 41,322.48 is: 57,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,311.16 : 103,931.84 = 41,322.48 : x
  2. Step 2: Convert to fraction form
    75,311.16/103,931.84 = 41,322.48/x
  3. Step 3: Cross multiply
    75,311.16x = 103,931.84 × 41,322.48
  4. Step 4: Simplify right side
    75,311.16x = 4,294,721,379.76
  5. Step 5: Solve for x
    x = 4,294,721,379.76/75,311.16
  6. Step 6: Final answer
    x = 57,026.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.